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Help CenterPolyester Flange-clamp Air Filter With 2-year Warranty, Free Replacement for Defects, ISO 9000 Compliant Manufacturing
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer established in 1998 with an annual export value of US$5-10 million. We are proud to present our Polyester flange-clamp air filter, designed to deliver reliable performance in demanding air filtration applications. With a 2-year warranty and free replacement for any defects, this filter offers peace of mind and long-term value. Backed by ISO 9000 compliant manufacturing, it meets rigorous quality standards, making it an ideal choice for global buyers across North America, Europe, Southeast Asia, and beyond.
Our flange-clamp air filter is crafted from high-quality polyester media, providing excellent dust-holding capacity and low resistance to airflow. The innovative flange-clamp design ensures tight sealing and easy installation, reducing downtime and maintenance costs. Whether used in HVAC systems, industrial ventilation, or cleanroom environments, this filter effectively captures airborne particles, protecting equipment and improving air quality.
Key Features
- Material: 100% polyester fiber – resistance to moisture, chemicals, and high temperatures up to 130°C (266°F).
- Design: Flange-clamp structure – no tools required for installation, secure fit prevents air bypass.
- Efficiency: Available in G3, G4, M5, F6 grades (EN 779 standard) – customizable for specific filtration needs.
- Durability: Reinforced frame with galvanized steel or aluminum optional – resists corrosion and deformation.
- Warranty: 2-year comprehensive coverage – free replacement for any manufacturing defects.
- Compliance: Manufactured under ISO 9000 quality management system – consistent quality batch to batch.
Technical Specifications
| Parameter | Value |
| Media | Polyester non-woven fabric |
| Frame Material | Galvanized steel, aluminum, or plastic (optional) |
| Operating Temperature | -20°C to 130°C |
| Relative Humidity | ≤100% RH |
| Filter Class | G3, G4, M5, F6 (EN 779) |
| Initial Pressure Drop | 30-80 Pa (depending on class and airflow) |
| Recommended Final Pressure Drop | 250-400 Pa |
Benefits for Your Business
- Cost Savings: Extended service life reduces filter replacement frequency and labor costs.
- Easy Maintenance: Flange-clamp design allows quick replacement without special tools, minimizing system downtime.
- Improved Air Quality: High dust-holding capacity ensures consistent performance and protects downstream equipment.
- Warranty Assurance: 2-year warranty and free defect replacement provide risk-free procurement.
Why choose Anping County Boli Hardware Wiremesh Products Factory? With over 25 years of manufacturing experience, we have shipped millions of air filters to customers worldwide. Our ISO 9000 compliant production lines ensure every filter meets strict quality criteria. We offer flexible customization in size, color, frame material, and filter class to match your specific requirements. Our port of shipment includes Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast and cost-effective logistics to global markets.
Trust is built on results. Our filters are used in commercial buildings, food processing plants, pharmaceutical facilities, and data centers. We back our product with a 2-year warranty and free replacement for defects – a testament to our confidence in quality. Contact us today for a quote or sample. Let us help you achieve cleaner air and lower operating costs.
Frequently Asked Questions
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Q: What is the maximum operating temperature for this filter?
A: The polyester media can withstand continuous operation up to 130°C (266°F). For higher temperatures, please inquire about alternative materials. -
Q: Can I get customized dimensions?
A: Yes, we offer custom sizes to fit your existing filter housing. Minimum order quantity may apply for non-standard dimensions. -
Q: How does the flange-clamp design work?
A: The filter frame includes a built-in flange and clamp mechanism that securely locks the filter into the housing, eliminating the need for additional gaskets or fasteners. -
Q: What filter classes are available?
A: We offer G3, G4, M5, and F6 efficiency classes according to EN 779 standard. Please specify your required class when ordering. -
Q: Is the frame material optional?
A: Yes, frame options include galvanized steel, aluminum, and plastic. We recommend galvanized steel for standard applications, aluminum for corrosive environments, and plastic for cost-sensitive projects. -
Q: What is the warranty coverage?
A: The warranty covers manufacturing defects for 2 years from the date of shipment. If a defect is found, we will provide a free replacement. Normal wear and tear, improper installation, or misuse are not covered. -
Q: Do you have ISO certification?
A: Our manufacturing processes comply with ISO 9000 quality management standards. We can provide relevant documentation upon request. -
Q: What is the typical lead time?
A: For standard sizes, lead time is 15-20 working days after order confirmation. Custom orders may take 20-30 working days.
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